#include<bits/stdc++.h>
using namespace std;
const int maxr = 1e5 + 10;
int n;
int mp[maxr];
int main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	cin >> n;
	for(int i = 1;i <= n;i++)
	{
		int x;
		cin >> x;
		mp[x]++;
	}
	int ans = -1e9;
	for(int i = 0;i <= 1e5;i++)
	{
		ans = max(ans,mp[i]);
	}
	cout << ans << endl;
	return 0;
}
